wash your hands of
US /wɑʃ yʊər hændz ʌv/
UK /wɑʃ yʊər hændz ʌv/
1.
to disclaim responsibility for something or someone
:
•
After the scandal, the company decided to wash its hands of the former CEO.
•
I'm going to wash my hands of this whole project; it's too much trouble.